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粘性土中固结渗流规律研究

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为探索粘土中水的流动规律,采用水压变化随固结时间变化测出在不同压力下粘土渗流系数kv.选取盐城沿海串场河滨河路地基处理饱和粘土作为研究对象,利用origin拟合试验数据,结果显示,饱和粘土在低水力坡降下土中水渗流规律与达西定律不相符,非达西渗流模式比起始水力坡降能更好地反映粘土中水的渗流规律.
Study on the Consolidation Seepage Law in Cohesive Soil
To explore the flow law of water in clay,the study measures the permeability coefficient kv of clay under different pressures by measuring the variation of water pressure with consolidation time,selects the saturated clay for the foundation treatment of the riverside road in the coastal area of Yancheng as the research object,and uses origin to fit the experimental data.The results show that the water seepage law in saturated clay under low hydraulic slope does not match Darcy law,and the non Darcy seepage mode can better reflect the water seepage law in clay than the initial hydraulic slope.

Soft clayThreshold gradientNon-Darcian flow

董兴泉

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江苏纬信工程咨询有限公司,南京 210000

粘土 起始水力坡降 非达西渗流

2025

黑龙江科学
黑龙江省科学院

黑龙江科学

影响因子:1.014
ISSN:1674-8646
年,卷(期):2025.16(2)